I Designed the Perfect RF Choke Box (Using Tinkercad)
Tinkercad is great for designing an RF choke box because it makes custom enclosures fast, simple, and precise—without a steep learning curve. You can easily size the box for toroids, ferrite beads, or coax loops, add mounting holes and strain reliefs, and tweak wall thickness for 3D printing in just minutes. Being browser-based, it’s perfect for quick experiments and revisions, which is ideal for ham radio tinkering where designs often evolve. In short, it lets you go from idea to a printable, shack-ready choke box with minimal fuss and maximum flexibility.
I scored a vintage Mizuho 15 meter QRP ham radio off of eBay recently. This is a radio of an older era where crystals were used to hold frequency. As such, this radio has tuning limitations, but a striking amount of features for a radio of its age!
My intro to Amateur Radio pamphlet is here: https://www.patreon.com/posts/126015747?utm_campaign=postshare_creator
The Coolest Ham Radio Gear:
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📻 My new favorite beginners Radio – Baofeng Mini: https://www.radioddity.com/products/baofeng-uv-5r-mini?ref=bkobuwhc
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$15 off at Radioddity when you use the code JOSHNASS https://www.radioddity.com/?ref=bkobuwhc
📡 Check out Gigaparts for 2x the points off the gear I use the most!
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📡 My favorite Handheld radio antenna is from Signal Stuff Signal Stick https://signalstuff.com/?ref=622 (This is an affliate link)
📡 I recommend the Ed Fong J-Pole? https://www.kbcubed.com/DBJ-2H-Amateur-Ham-2m-70cm-Dual-Band-Portable-Rollup-Antenna-by-Ed-Fong-p406009746
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📡 Chameleon Antennas make the most robust antennas on the market, check them out here: https://chameleonantenna.com?bg_ref=99VqhYXETt
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This is the setup for the Sierra Radio Systems Station Controller for a 3 tower setup with 2 Flex radios. 6700 and 8600. Each A and B antenna get connected to 2 seperate antenna controllers and then sent to another antenna 2×6 antenna switch which connect to the 3 towers.
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Intro music provided by one of these;
Silent Partner – Fortunate Note
Noir Et Blanc Vie – Brighton Lights
John Deley & the 41 Players – Heat Wave
Doug Maxwell – Psychedelicacy
Big Blues by Audionautix is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/by/4.0/
Baofeng Radio Torture Test: Survives Drops & Water! #shorts
Can a Baofeng radio survive multiple drops on cement and a dunk in water? This one did. Seriously, try this with your radio – we dare you. #Baofeng #HamRadio #SurvivalGear #Unbreakable
5/8 Wave or Half Wave? What This 10m Antenna REALLY Is
I found this super cheap vertical antenna and decided to give it a try on the 10m (28 MHz) band for my repeater!
Amazon 👉 https://geni.us/PYwDC
Tecsun Radio Australia 👉 https://www.tecsunradios.com.au/store/product/10-metre-28-mhz-amateur-radio-base-station-antenna
I wish I knew this when I started Ham Radio 👉 https://courses.hamradiodx.net/b/LmQGB
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As an Amazon Associate, I may earn from qualifying purchases. Some product links are affiliate links, meaning I may receive a small commission at no extra cost to you.
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Let’s fix this rattling radio and test its range! We’re trying unconventional antenna tuning to pull in big, low bands. Will our crazy experiment work?
👉 Full Video: https://youtu.be/wMxuWOZV41M
Today’s Station:
👉 ATU-10 QRP Antenna Tuner: https://geni.us/oCQUdmi
$69.99 with coupon code: BG8d68fb
First 50 Customers
#Chameleon_ Antennas recently released a full-color book containing instructions for many of its #antennas, all in full color. The book also has additional general information about antennas. See https://chameleonantenna.com/ for the company in Sparks, NV. For the Field Guide specifically, see https://chameleonantenna.com/products/cha-field-guide-first-edition-2025.
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To learn more about me, visit: https://dcasler.com
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To pose an Ask Dave question, email to askdave@arrl.org. Feel free to include pictures or drawings to help clarify. I may answer your question directly, via an Ask Dave video, or in my monthly column "Ask Dave" in QST.
Theme music is "Sour Tennessee Red," by John Deley and the 41 Players, courtesy YouTube Music Library. You can listen to the entire song here: https://youtu.be/Vfc9sAQjJtc
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Thanks to my sweet wife, Loretta, KBØVWW, for both audio and video assistance! (Her website is www.aldea-art.com.)
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4 Essential Antennas Every New Ham Radio Operator Needs to Know
Discover the four must-know antenna types for every new amateur radio operator: the simple dipole, omnidirectional vertical, directional Yagi, and super-popular end-fed halfwave (EFHW). Learn their designs, radiation patterns, and ideal use cases for home setups, portable operations, or Parks on the Air (POTA) activations. Whether you’re just starting out or improving your station, this beginner-friendly guide helps you choose and deploy the right antenna for better signal propagation and more contacts.
New Tanker Radio Gear:
New Tank Radio Pillow – https://www.etsy.com/listing/4295008136/tank-radio-pillow-for-amateur-radio
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Tank US Band Plan Pad – https://quirkyqrphamradios.etsy.com/listing/1657938891
Hoodies – https://grapevineamateurradio.com/products/tank-radio-hoodie-limited-time
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Retevis RB48 Pro Industrial Built Two Way Radio For Teams
https://www.amazon.com/dp/B0FKMLBXH5?maas=maas_adg_5BB656833DA1FEFCBF2861788CDB32EF_afap_abs&ref_=aa_maas&tag=maas
Teams are usually built with one radio guy and a bunch of non radio team members. This is a radio built for harsh environments and hard use. If you have a communications need for your team check this radio out.
Who is this Radio perfect for? Construction companies, dock workers, Maintenance companies who have a need for commercial frequencies. Prepping groups who want tough as nails Handhelds that are programable, adaptable, 10 watt capable, waterproof and simple to use.
I did a SOTA and I used AI for my logger. Can we prompt our way through a successful upload of the log? Tune in and find out. Help me stump the AI!
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